Memory mode?The breathalyzer can store 50 test results. Press and hold the power button for 2 seconds to enter the record storage mode. After entering, press the power button repeatedly to display the last record stored. The number of Records and test results flash on the display. If no button is pressed for about 5 seconds, the device automatically switches back to test mode. Alarm Light?When the test result reaches the alarm level, the alarm indicator lights green-orange-red and flashes 10 times at the same time. When the test result reaches the warning level, the alarm indicator turns green and orange. When the test result is certain, the alarm indicator turns green. Use?After the breathalyzer warms up for 19 seconds, "bLo" flashes for 25 seconds and beeps, the device is ready for a breath test. Please take the measurement during this time, otherwise the device will turn off automatically. Keep blowing for 5 seconds, when the beep stops, the test result will show on the display. Note: Rinse mouth with water before use and do not smoke or drink alcohol 20 minutes before use. Four test units?The breathalyzer has four test units. In the test result display, press and hold the power button for 2.0 seconds to switch the measurement unit between mg/L, %oBAC, %BAC and g/L, and the next test results will be displayed in the units of yours Decision. 10 Replace Mouthpieces?The breathalyzer is equipped with 10 mouthpieces, and the mouthpieces can be washed and recycled. Ultra-compact design, the breathalyzer fits in a pocket for easy portability and portability. Breathalyzers are the best option for motorists.

Best Sellers Rank: See Top 100 in Health & Household. : B0BG5L6HP4. Manufacturer: LAMJAD. Date First Available: September 22, 2022. Package Dimensions: 5.98 x 3.15 x 2.17 inches; 5.01 Ounces.